Related Clues:

• It has three sides
• Figure how one might try to go fishing?
• Figure how one might attempt to fish, by the sound of it, here
• Figure how, by the sound of it, to try to fish
• Attempt to fish on three sides, by the sound of it
• Besides, one has three
• Figure how to attempt, by the sound of it, to go fishing
• 'Figure one might have a go at fishing, perhaps (8)'
• Try to fish on all three sides of it
• Wind instruments of yore
• Simple percussion instrument
• Instrument just beat through pieces of glass
• Instrument scans round barrel
• Musical wind instrument - syrinx
• Constellation - three-sided figure